package jsp;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author 石小俊
 */
@WebServlet("/app")
public class ApplicationServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // 在Servlet中,可以直接获取到ServletContext
        ServletContext application = getServletContext();
        String name = application.getInitParameter("name");
        System.out.println("全局初始化参数name的值为:" + name);
    }
}
